Women who Measured the Stars with Dava Sobel (170) Rpt
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Edwin Hubble is world famous. What about Henrietta Swan Leavitt? She found a way to measure and classify the universe. In Dava's book "The Glass Universe" she references the half million glass slides Henrietta and other women used to document both the northern and southern skies.
Women who Measured the Stars with Dava Sobel (170) Rpt